MBMG-9271

Montana Bureau of Mines and Geology

Located in Gallatin County, Montana, this groundwater monitoring location is associated with a water well in the Northern Rocky Mountains Intermontane Basins aquifer systems.

Well Construction

Depth Description
-2.0-209.0 ft 6.0 in diameter steel casing
209.0-209.0 ft 6.0 in diameter open bottom screen
Depth Lithology Description
0.0-21.0 ft unknown TOPSOIL
21.0-30.0 ft unknown SANDSTONE
30.0-68.0 ft unknown BENTONITE BEARING CLAY
68.0-86.0 ft unknown SANDSTONE- GRAY
86.0-90.0 ft unknown DARK BROWN SANDSTONE
90.0-108.0 ft unknown BENTONITE BEARING CLAY
108.0-145.0 ft unknown GREENISH CLAY
145.0-162.0 ft unknown SANDSTONE
162.0-174.0 ft unknown GREEN SAND
174.0-195.0 ft unknown GREENISH CLAY
195.0-220.0 ft unknown BLUE SHALE

Operated in cooperation with: